Acadia opened this issue on Mar 30, 2007 · 181 posts
bagginsbill posted Tue, 28 June 2011 at 11:00 AM
Note that I wrote that Fresnel thread at a time that I had only a qualitative understanding of the Fresnel effect - i.e. more reflection at a shallow angle.
Today I know very precisely what the relationship is and have posted several times how to get a near-100% accurate reflection falloff, both with an approximation and with exact equations.
I published a more recent thread that covers many of the same topics as that old thread, but with much greater realism and accuracy.
It is here:
Glossy materials with true Fresnel effect using matmatic
Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)